CN101333993A - Internal-combustion engine alternating spray hole type nozzle with perturbing zone - Google Patents
Internal-combustion engine alternating spray hole type nozzle with perturbing zone Download PDFInfo
- Publication number
- CN101333993A CN101333993A CNA200810012342XA CN200810012342A CN101333993A CN 101333993 A CN101333993 A CN 101333993A CN A200810012342X A CNA200810012342X A CN A200810012342XA CN 200810012342 A CN200810012342 A CN 200810012342A CN 101333993 A CN101333993 A CN 101333993A
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- China
- Prior art keywords
- spray orifice
- combustion engine
- internal
- injection nozzle
- stirring area
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 title claims description 52
- 230000003094 perturbing effect Effects 0.000 title 1
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims description 28
- 239000000295 fuel oil Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 abstract description 3
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
Disclosed is a cross jet-hole injection nozzle with a disturbance area of an internal combustion engine, which belongs to the oil injection device of the internal-combustion fuel-oil system. The cross jet-hole injection nozzle with the disturbance area of the internal combustion comprises a precise matching part composed of a needle valve body and a needle valve; at least a cross jet-hole injection hole with the disturbance area is arranged on the head part of the needle valve body. The turbulence flow of the internal fuel oil intensity of the injection nozzle, based on the turbulence flow disturbance generated on the cross position of the sub nozzle is further improved; thereby, the fuel-oil pulverization of the injection nozzle outlet is improved; the quality of the mixed gas is improved; the combustion is enabled to be more rapid, sufficient and complete; the engine is ensured to obtain better economy, exhaust and power performance under the same injection pressure.
Description
Technical field
The present invention relates to a kind of crossing spray orifice type injection nozzle of internal combustion engine with the stirring area, it belongs to the fueling injection equipment of fuel of internal combustion engine system.
Background technique
As everyone knows, the performance of internal combustion engine fuel injection system is the most critical factor that influences quality of mixing gas mixture, thereby also is the leading factor that influences internal-combustion engine Economy and effulent generation.The existing fuel of internal combustion engine spray characteristics that studies show that is subjected to the influence of interior hole of injection hole on injection nozzle and turbulent flow, and near the turbulence intensity the inner outlet of spray orifice is big more, and the spray atomization effect is good more.Improving jet pressure is to increase spray orifice outlet turbulence intensity to improve the important method of atomization quality, and present advanced diesel engine has had the jet pressure that uses 200MPa above, can make the oil pump power consumption increase reliability decrease but further improve jet pressure.
Summary of the invention
For further improving the atomization of staggered form spray orifice, the invention provides a kind of crossing spray orifice type injection nozzle of internal combustion engine with the stirring area, this oil nozzle is provided with the stirring area at the sub-spray orifice of the staggered form spray orifice position that crosses, turbulent perturbation is further strengthened, and then promote more to atomize, improve mixed gas quality, make burning quick, abundant and perfect, the economic performance, emission performance and the power performance that help motor further improve.
The technical solution adopted for the present invention to solve the technical problems is: a kind of crossing spray orifice type injection nozzle of internal combustion engine with the stirring area, form one pair of precision pair by needle-valve body and needle-valve, be provided with the staggered form spray orifice that compiles by two sub-spray orifices intersections at least and form at the needle-valve body head, be provided with a stirring area in the described staggered form spray orifice at least.
Described stirring area is to remove part entity (promptly adopting processing to remove the part metals of needle-valve body) by the intersectional region at sub-spray orifice to form.
The guiding theory of technique scheme is: owing to be provided with the stirring area in staggered form spray orifice inside, the turbulent perturbation of the inner fuel flow of spray orifice is further strengthened, thereby help further promoting the fuel-oil atmozation of spray orifice outlet, quicken fuel oil and Air mixing process, and then improve burning and discharging.
The invention has the beneficial effects as follows: the crossing spray orifice type injection nozzle of internal combustion engine of this band stirring area, form one pair of precision pair by needle-valve body and needle-valve, be provided with the staggered form spray orifice of band stirring area at the needle-valve body head.The setting of stirring area, the turbulence intensity of the inner fuel oil of spray orifice is further strengthened on the basis of the turbulent perturbation of sub-spray orifice intersection place generation, thereby can further improve the fuel-oil atmozation of spray orifice outlet, improve mixed gas quality, make burning quicker, abundant and perfect, make motor under identical jet pressure, obtain better economic performance, emission performance and power character.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of structural drawing of the crossing spray orifice type injection nozzle of internal combustion engine with the stirring area.
Fig. 2 is the staggered form spray orifice that a kind of outlet is shaped as circular band stirring area.
Fig. 3 is the staggered form spray orifice that a kind of outlet is shaped as non-circular band stirring area.
Fig. 4 is that a kind of stirring area is the staggered form spray orifice of non-regular shape.
Among the figure: 1, needle-valve body, 2, needle-valve, 3, the staggered form spray orifice, 3a, circular staggered form spray orifice, 3b, non-circular staggered form spray orifice, 4, sub-spray orifice, 5, the stirring area.
Embodiment
The crossing spray orifice type injection nozzle of internal combustion engine that is a kind of with the stirring area shown in Figure 1, it is made up of needle-valve body 1 and needle-valve 2, is provided with the staggered form spray orifice 3 of band stirring area at the head of needle-valve body 1, and it is intersected by two sub-spray orifices 4 and compiles and form.
The staggered form spray orifice 3 of band stirring area can have multiple different structural type: its spray orifice outlet shape factor spray orifice 4 is different with the compound mode of stirring area 5, and has multiple different shape.Fig. 2 shows a kind of outlet and is shaped as circular staggered form spray orifice 3a, and Fig. 3,4 shows outlet and is shaped as non-circular staggered form spray orifice 3b.
The staggered form spray orifice 3 of band stirring area, its stirring area 5 is to remove the part entity by the intersectional region at sub-spray orifice, as be processed into blind hole, and form, its structure can have various ways, the structure of Fig. 2,3 stirring area 5 is for forming from staggered form spray orifice 3 outlet ports to the cross blind hole of position processing column shape of sub-spray orifice 4, and the structure of the stirring area 5 of Fig. 4 is for forming from staggered form spray orifice 3 outlet ports to the cross blind hole of non-regular shape of position processing of sub-spray orifice 4.
Claims (2)
1, a kind of crossing spray orifice type injection nozzle of internal combustion engine with the stirring area, form one pair of precision pair by needle-valve body (1) and needle-valve (2), be provided with the staggered form spray orifice (3) that compiles by two sub-spray orifices (4) intersection at least and form at needle-valve body (1) head, it is characterized in that: be provided with a stirring area (5) in the described staggered form spray orifice (3) at least.
2, according to the crossing spray orifice type injection nozzle of internal combustion engine of the described band of claim 1 stirring area, it is characterized in that: described stirring area (5) are to remove the part entity by the intersectional region at sub-spray orifice (4) to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012342XA CN101333993B (en) | 2008-07-15 | 2008-07-15 | Internal-combustion engine alternating spray hole type nozzle with perturbing zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012342XA CN101333993B (en) | 2008-07-15 | 2008-07-15 | Internal-combustion engine alternating spray hole type nozzle with perturbing zone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101333993A true CN101333993A (en) | 2008-12-31 |
| CN101333993B CN101333993B (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810012342XA Expired - Fee Related CN101333993B (en) | 2008-07-15 | 2008-07-15 | Internal-combustion engine alternating spray hole type nozzle with perturbing zone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101333993B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182600A (en) * | 2011-05-02 | 2011-09-14 | 大连理工大学 | Combustion engine oil spray nozzle with disturbance area |
| CN102705125A (en) * | 2012-07-07 | 2012-10-03 | 中国船舶重工集团公司第七�三研究所 | Fuel injector with cross-disturbance nozzles |
| CN104948368A (en) * | 2015-04-30 | 2015-09-30 | 江苏大学 | Mechanical disturbance atomizing oil nozzle |
| CN105156247A (en) * | 2015-09-16 | 2015-12-16 | 大连理工大学 | Crossed slit fuel injection nozzle |
| CN105971795A (en) * | 2016-07-12 | 2016-09-28 | 江西汇尔油泵油嘴有限公司 | Oil injection nozzle with crossed spraying holes and crossed oil injection method |
| CN106493008A (en) * | 2016-12-08 | 2017-03-15 | 广西玉柴机器股份有限公司 | Cross bore urea nozzle |
| CN109372658A (en) * | 2018-12-10 | 2019-02-22 | 大连理工大学 | A kind of gas injector and its working method of gas engine |
| CN110454811A (en) * | 2019-08-01 | 2019-11-15 | 沈阳航空航天大学 | It is a kind of to move the fuel nozzle for intersecting pore structure using centrifugation-height combustion |
| CN113187637A (en) * | 2021-04-06 | 2021-07-30 | 大连理工大学 | Composite hole nozzle with intersection structure |
| CN114688527A (en) * | 2020-12-31 | 2022-07-01 | 大连理工大学 | Gas-assisted atomizing nozzle with cross spray hole structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5211340A (en) * | 1991-08-27 | 1993-05-18 | Zexel Corporation | Fuel injector |
| DE102004033282A1 (en) * | 2004-07-09 | 2006-02-02 | Robert Bosch Gmbh | Fuel injection valve for internal combustion engines |
-
2008
- 2008-07-15 CN CN200810012342XA patent/CN101333993B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182600A (en) * | 2011-05-02 | 2011-09-14 | 大连理工大学 | Combustion engine oil spray nozzle with disturbance area |
| CN102705125A (en) * | 2012-07-07 | 2012-10-03 | 中国船舶重工集团公司第七�三研究所 | Fuel injector with cross-disturbance nozzles |
| CN104948368A (en) * | 2015-04-30 | 2015-09-30 | 江苏大学 | Mechanical disturbance atomizing oil nozzle |
| CN105156247A (en) * | 2015-09-16 | 2015-12-16 | 大连理工大学 | Crossed slit fuel injection nozzle |
| CN105971795A (en) * | 2016-07-12 | 2016-09-28 | 江西汇尔油泵油嘴有限公司 | Oil injection nozzle with crossed spraying holes and crossed oil injection method |
| CN106493008A (en) * | 2016-12-08 | 2017-03-15 | 广西玉柴机器股份有限公司 | Cross bore urea nozzle |
| CN109372658A (en) * | 2018-12-10 | 2019-02-22 | 大连理工大学 | A kind of gas injector and its working method of gas engine |
| CN110454811A (en) * | 2019-08-01 | 2019-11-15 | 沈阳航空航天大学 | It is a kind of to move the fuel nozzle for intersecting pore structure using centrifugation-height combustion |
| CN114688527A (en) * | 2020-12-31 | 2022-07-01 | 大连理工大学 | Gas-assisted atomizing nozzle with cross spray hole structure |
| CN113187637A (en) * | 2021-04-06 | 2021-07-30 | 大连理工大学 | Composite hole nozzle with intersection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101333993B (en) | 2011-02-02 |
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Granted publication date: 20110202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |